5 Mil Kapton® tapes are made of 5 Mil thick high temperature polyimide film with 1.5 Mil of silicone adhesive which does not leave any residue. They are used in masking of circuit boards during wave soldering or other electronic manufacturing processes. They can be used in powder coating, automotive and transformer manufacturing. Kapton® tapes offer excellent performance in electrical and thermal insulation. They can withstand temperature up to 500°F/260°C and conforms to MIL SPEC MIL-P-46112 Type I. They are packaged in 3" core and are 36 yards long.